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.chat-icon{transform:scale(1.1)}.chat-pulse{position:absolute;width:100%;height:100%;border-radius:50%;background:linear-gradient(135deg,#fff3,#fff0);animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(1);opacity:.8}to{transform:scale(1.5);opacity:0}}.chat-window{position:relative;width:100%;height:100%;background:#fff;border-radius:16px;display:flex;flex-direction:column;overflow:hidden;font-family:var(--chat-font-family)}.chat-header{background:var(--chat-gradient);color:#fff;padding:20px 24px;display:flex;justify-content:space-between;align-items:center}.chat-header-content{display:flex;align-items:center;gap:12px}.chat-header-icon{width:36px;height:36px;background:#fff3;border-radius:10px;display:flex;align-items:center;justify-content:center}.chat-header-icon svg{width:20px;height:20px}.chat-header-text{display:flex;flex-direction:column}.chat-title{margin:0;font-size:16px;font-weight:600;line-height:1.2}.chat-subtitle{margin:2px 0 0;font-size:12px;opacity:.9;font-weight:400}@keyframes status-pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-messages-container{flex:1;overflow-y:auto;background:#f8fafc;padding:20px}.chat-messages{height:100%;display:flex;flex-direction:column;gap:16px}.empty-state{text-align:center;padding:40px 20px;color:#64748b}.empty-state-icon{width:64px;height:64px;margin:0 auto 16px;background:#e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center}.empty-state-icon svg{width:32px;height:32px;color:#94a3b8}.empty-state h4{margin:0 0 8px;font-size:18px;font-weight:600;color:#334155}.empty-state p{margin:0;font-size:14px;line-height:1.4}.chat-message{display:flex;gap:12px;max-width:85%;animation:messageAppear .3s ease-out}@keyframes 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8px;font-weight:500;margin-bottom:8px}.user-message .message-time{text-align:right}.chat-input-area{padding:16px 20px;background:#fff;border-top:1px solid #e2e8f0}.input-wrapper{display:flex;gap:8px;align-items:center}.input-wrapper input{flex:1;padding:12px 16px;border:2px solid #e2e8f0;border-radius:12px;font-size:14px;transition:all .2s;background:#f8fafc;outline:none}.input-wrapper input:focus{border-color:var(--chat-gradient-start);box-shadow:0 0 0 3px color-mix(in srgb,var(--chat-gradient-start) 20%,transparent)}.input-wrapper input::placeholder{color:#94a3b8}.input-wrapper input:disabled{opacity:.6;cursor:not-allowed}.send-button{width:44px;height:44px;border-radius:12px;background:var(--chat-gradient);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;font-size:18px}.send-button:hover:not(:disabled){box-shadow:0 4px 12px color-mix(in srgb,var(--chat-gradient-start) 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0;font-size:11px;color:#94a3b8;text-align:center}.chat-messages-container::-webkit-scrollbar{width:6px}.chat-messages-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.chat-messages-container::-webkit-scrollbar-thumb{background:var(--chat-gradient-start)}.chat-messages-container::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.chat-header{position:relative;padding:16px;display:flex;align-items:center;justify-content:center}.header-left,.header-right{position:absolute;top:50%;transform:translateY(-50%)}.header-left{left:16px}.header-right{right:16px}.header-center{text-align:center}.menu-btn{background:transparent;border:none;color:#fff;font-size:20px;cursor:pointer}.header-menu{position:absolute;top:28px;left:0;background:#fff;color:#334155;border-radius:8px;box-shadow:0 8px 20px #00000026;overflow:hidden;z-index:10;min-width:170px}.header-menu button{padding:10px 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*{max-width:100%;overflow-wrap:break-word;word-break:break-word}.message-text a{display:inline-block;max-width:100%;overflow-wrap:anywhere;word-break:break-word}.message-text p{margin:.25em 0}.message-text ul,.message-text ol{padding-left:18px}